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Proof step 3 from proof meta-file (previous step)

ino ∈ files ⊦ meta(ε, ino, dirs, files) = files[ino].meta, ino ∈ dirs

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: <toplevel> name: meta seq: ⊦ ispath(p, n, dirs, files) → meta(p, n, dirs, files) = (lookup(p, n, dirs, files) ∈ dirs ⊃ dirs[lookup(p, n, dirs, files)].meta ;files[lookup(p, n, dirs, files)].meta ) subst: [files, dirs, n, p] → [files, dirs, ino, ε] flags: <all paths>

Additional information

Used simplifier rules: expath-eps: ⊦ ispath(ε, n, dirs, files) ↔ n ∈ dirs ∨ n ∈ files;%lookup-file: ⊦ n ∈ files → lookup(ε, n, dirs, files) = n; Used terms: files, dirs, ino, ε